\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Panel B: Dyadic Dependent Variables}
\begin{tabular}{l*{2}{ccc}}
\toprule
                    &\multicolumn{3}{c}{(1)}               &\multicolumn{3}{c}{(2)}               \\
                    &\multicolumn{3}{c}{Full Sample}       &\multicolumn{3}{c}{Benchmark Sample}  \\
                    &        mean&          sd&       count&        mean&          sd&       count\\
\midrule
DiffPPa             &       1.932&       1.467&      105111&       1.927&       1.469&       52326\\
DiffPP              &       2.211&       1.631&      101025&       2.194&       1.621&       52326\\
DiffPPa\_15          &       2.010&       1.536&       26335&       1.926&       1.462&       11628\\
SameSports          &       0.600&       0.490&       52003&       0.586&       0.493&       23436\\
SameNonSports       &       0.028&       0.164&       52003&       0.034&       0.181&       23436\\
SameAsso\_Type\_Pol   &       0.017&       0.129&       52003&       0.023&       0.149&       23436\\
SameAsso\_Type\_Ply   &       0.008&       0.088&       52003&       0.008&       0.088&       23436\\
SameAsso\_Type\_Iden  &       0.005&       0.072&       52003&       0.004&       0.061&       23436\\
\midrule
Observations        &      119733&            &            &       52326&            &            \\
\bottomrule
\multicolumn{7}{l}{\footnotesize Statistics in (1) are computed on the full sample of data available for each variable,}\\
\multicolumn{7}{l}{\footnotesize while statistics in (2) are computed on the benchmark sample.}\\
\end{tabular}
\end{table}
